61d7fedc95590c2ef70dd29b5c45028514ad08cbe2be2ddddf5899ad15b83b12

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 04:32

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General

Target

2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe
Size

40KB
MD5

9690f01906d4bac95173515264485e92
SHA1

63b5a0d99bfd5441302e8b70578f72feee511749
SHA256

61d7fedc95590c2ef70dd29b5c45028514ad08cbe2be2ddddf5899ad15b83b12
SHA512

ef8d4f33a556ff4eb5d731acf4585be6658d92ad657af4f054fe611fba3900fddb29afb8d32890c21410f74a3a790687f8b3b0fa69b65c5141ca15a9a565f644
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDkL:ZzFbxmLPWQMOtEvwDpjLeJAsKcg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000014af6-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1948	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1044	2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1948	1044	2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe	28
PID 1044 wrote to memory of 1948	1044	2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe	28
PID 1044 wrote to memory of 1948	1044	2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe	28
PID 1044 wrote to memory of 1948	1044	2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_9690f01906d4bac95173515264485e92_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
40KB

MD5
95852f45b41169ffd52bed689c620e79

SHA1
6af125ba781504ea379967326222b5e268a29e4b

SHA256
d9e859626877fa3b7358ff5031dea893c13349023ebe87c6654a73da7a827070

SHA512
ec5c03fc592b38a48e8e893d7cf2e93b4926d39a7c869d9b02199c8a234099acbded663f596dac1848ddfed7f03bf59fce73530ac4a657689bdb8dd177974fbc

Download Submit
memory/1044-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1044-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1044-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1948-23-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1948-22-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1948-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download